結果
問題 | No.1640 簡単な色塗り |
ユーザー | fumofumofuni |
提出日時 | 2021-08-06 23:24:59 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
TLE
(最新)
AC
(最初)
|
実行時間 | - |
コード長 | 5,277 bytes |
コンパイル時間 | 2,537 ms |
コンパイル使用メモリ | 216,836 KB |
実行使用メモリ | 60,872 KB |
最終ジャッジ日時 | 2024-06-29 16:23:05 |
合計ジャッジ時間 | 34,802 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge4 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 2 ms
6,812 KB |
testcase_01 | AC | 2 ms
6,940 KB |
testcase_02 | AC | 2 ms
6,944 KB |
testcase_03 | AC | 2 ms
6,944 KB |
testcase_04 | AC | 262 ms
50,584 KB |
testcase_05 | AC | 260 ms
51,100 KB |
testcase_06 | AC | 2 ms
6,940 KB |
testcase_07 | AC | 2 ms
6,940 KB |
testcase_08 | AC | 2 ms
6,944 KB |
testcase_09 | AC | 2 ms
6,944 KB |
testcase_10 | AC | 265 ms
28,328 KB |
testcase_11 | AC | 203 ms
24,844 KB |
testcase_12 | AC | 174 ms
22,836 KB |
testcase_13 | AC | 427 ms
44,776 KB |
testcase_14 | AC | 430 ms
43,560 KB |
testcase_15 | AC | 119 ms
15,784 KB |
testcase_16 | AC | 151 ms
21,960 KB |
testcase_17 | AC | 353 ms
39,924 KB |
testcase_18 | AC | 23 ms
6,940 KB |
testcase_19 | AC | 172 ms
22,776 KB |
testcase_20 | AC | 243 ms
26,956 KB |
testcase_21 | AC | 181 ms
24,716 KB |
testcase_22 | AC | 16 ms
6,940 KB |
testcase_23 | AC | 268 ms
28,720 KB |
testcase_24 | AC | 62 ms
13,012 KB |
testcase_25 | AC | 173 ms
23,708 KB |
testcase_26 | AC | 302 ms
37,372 KB |
testcase_27 | AC | 110 ms
16,308 KB |
testcase_28 | AC | 414 ms
43,388 KB |
testcase_29 | AC | 319 ms
38,152 KB |
testcase_30 | AC | 52 ms
8,684 KB |
testcase_31 | AC | 1,847 ms
40,828 KB |
testcase_32 | AC | 1,116 ms
33,120 KB |
testcase_33 | AC | 598 ms
23,132 KB |
testcase_34 | AC | 920 ms
28,132 KB |
testcase_35 | AC | 487 ms
24,800 KB |
testcase_36 | AC | 52 ms
8,420 KB |
testcase_37 | AC | 86 ms
10,780 KB |
testcase_38 | AC | 1,417 ms
34,736 KB |
testcase_39 | AC | 253 ms
16,556 KB |
testcase_40 | AC | 279 ms
16,944 KB |
testcase_41 | AC | 878 ms
29,612 KB |
testcase_42 | AC | 338 ms
19,888 KB |
testcase_43 | AC | 392 ms
21,660 KB |
testcase_44 | AC | 349 ms
20,428 KB |
testcase_45 | AC | 222 ms
16,720 KB |
testcase_46 | AC | 64 ms
9,508 KB |
testcase_47 | AC | 33 ms
7,268 KB |
testcase_48 | AC | 1,556 ms
34,184 KB |
testcase_49 | AC | 11 ms
6,940 KB |
testcase_50 | AC | 2 ms
6,940 KB |
testcase_51 | AC | 2 ms
6,940 KB |
testcase_52 | TLE | - |
testcase_53 | TLE | - |
07_evil_01.txt | AC | 1,469 ms
90,920 KB |
07_evil_02.txt | TLE | - |
ソースコード
#include<bits/stdc++.h> using namespace std; #define rep(i,n) for(ll i=0;i<n;i++) #define repl(i,l,r) for(ll i=(l);i<(r);i++) #define per(i,n) for(ll i=(n)-1;i>=0;i--) #define perl(i,r,l) for(ll i=r-1;i>=l;i--) #define fi first #define se second #define pb push_back #define ins insert #define pqueue(x) priority_queue<x,vector<x>,greater<x>> #define all(x) (x).begin(),(x).end() #define CST(x) cout<<fixed<<setprecision(x) #define rev(x) reverse(x); using ll=long long; using vl=vector<ll>; using vvl=vector<vector<ll>>; using pl=pair<ll,ll>; using vpl=vector<pl>; using vvpl=vector<vpl>; const ll MOD=1000000007; const ll MOD9=998244353; const int inf=1e9+10; const ll INF=4e18; const ll dy[8]={1,0,-1,0,1,1,-1,-1}; const ll dx[8]={0,1,0,-1,1,-1,1,-1}; template <typename T> inline bool chmax(T &a, T b) { return ((a < b) ? (a = b, true) : (false)); } template <typename T> inline bool chmin(T &a, T b) { return ((a > b) ? (a = b, true) : (false)); } //公式Dinic; template <class Cap> struct Dinic{ public: Dinic() : _n(0) {} Dinic(int n) : _n(n), g(n) {} int add_edge(int from, int to, Cap cap) { assert(0 <= from && from < _n); assert(0 <= to && to < _n); assert(0 <= cap); int m = int(pos.size()); pos.push_back({from, int(g[from].size())}); g[from].push_back(_edge{to, int(g[to].size()), cap}); g[to].push_back(_edge{from, int(g[from].size()) - 1, 0}); return m; } struct edge { int from, to; Cap cap, flow; }; edge get_edge(int i) { int m = int(pos.size()); assert(0 <= i && i < m); auto _e = g[pos[i].first][pos[i].second]; auto _re = g[_e.to][_e.rev]; return edge{pos[i].first, _e.to, _e.cap + _re.cap, _re.cap}; } std::vector<edge> edges() { int m = int(pos.size()); std::vector<edge> result; for (int i = 0; i < m; i++) { result.push_back(get_edge(i)); } return result; } void change_edge(int i, Cap new_cap, Cap new_flow) { int m = int(pos.size()); assert(0 <= i && i < m); assert(0 <= new_flow && new_flow <= new_cap); auto& _e = g[pos[i].first][pos[i].second]; auto& _re = g[_e.to][_e.rev]; _e.cap = new_cap - new_flow; _re.cap = new_flow; } Cap flow(int s, int t) { return flow(s, t, std::numeric_limits<Cap>::max()); } Cap flow(int s, int t, Cap flow_limit) { assert(0 <= s && s < _n); assert(0 <= t && t < _n); std::vector<int> level(_n), iter(_n); queue<int> que; auto bfs = [&]() { std::fill(level.begin(), level.end(), -1); level[s] = 0; while(!que.empty())que.pop(); que.push(s); while (!que.empty()) { int v = que.front(); que.pop(); for (auto e : g[v]) { if (e.cap == 0 || level[e.to] >= 0) continue; level[e.to] = level[v] + 1; if (e.to == t) return; que.push(e.to); } } }; auto dfs = [&](auto self, int v, Cap up) { if (v == s) return up; Cap res = 0; int level_v = level[v]; for (int& i = iter[v]; i < int(g[v].size()); i++) { _edge& e = g[v][i]; if (level_v <= level[e.to] || g[e.to][e.rev].cap == 0) continue; Cap d = self(self, e.to, std::min(up - res, g[e.to][e.rev].cap)); if (d <= 0) continue; g[v][i].cap += d; g[e.to][e.rev].cap -= d; res += d; if (res == up) break; } return res; }; Cap flow = 0; while (flow < flow_limit) { bfs(); if (level[t] == -1) break; std::fill(iter.begin(), iter.end(), 0); while (flow < flow_limit) { Cap f = dfs(dfs, t, flow_limit - flow); if (!f) break; flow += f; } } return flow; } std::vector<bool> min_cut(int s) { std::vector<bool> visited(_n); queue<int> que; que.push(s); while (!que.empty()) { int p = que.front(); que.pop(); visited[p] = true; for (auto e : g[p]) { if (e.cap && !visited[e.to]) { visited[e.to] = true; que.push(e.to); } } } return visited; } private: int _n; struct _edge { int to, rev; Cap cap; }; std::vector<std::pair<int, int>> pos; std::vector<std::vector<_edge>> g; }; int main(){ ll n;cin >> n; Dinic<ll> dn(n*2+2); ll s=n*2,t=s+1; rep(i,n){ ll a,b;cin >> a >> b;a--;b--; dn.add_edge(s,i,1); dn.add_edge(i,a+n,1); dn.add_edge(i,b+n,1); } rep(i,n)dn.add_edge(i+n,t,1); ll p=dn.flow(s,t); if(p!=n)cout << "No" <<endl,exit(0); cout << "Yes" <<endl; for(auto es:dn.edges()){ if(!es.flow)continue; if(es.from>=n)continue; cout << es.to+1-n <<endl; } }